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im looking at going with a stockish ls with small cam only and was trying to find out what kind of inline walbro to use.I was also curious if you use the walbro would the factory regulator be ok to use.
You using a factory style tank or a fuel cell? You talking about the regulator on a truck intake? If so I believe Matt (denmah sloppymechanics) has used the stock truck fpr with dual walbro 450s. I personally would do an intank pump, they're quieter and usually last longer.
Last 2 fuel systems I've done used a cell, but I got a 16 bolt style filler plate from rci iirc and did intank pumps. Pretty easy to do, they make them already set up for intank pump. But this last time it was out of stock so I got they're none intank deal and welded on my own pump hanger holder pole deal. They come in either round or oval shaped with or without the hanger pole, not all that expensive either.
You using a factory style tank or a fuel cell? You talking about the regulator on a truck intake? If so I believe Matt (denmah sloppymechanics) has used the stock truck fpr with dual walbro 450s. I personally would do an intank pump, they're quieter and usually last longer.
Last 2 fuel systems I've done used a cell, but I got a 16 bolt style filler plate from rci iirc and did intank pumps. Pretty easy to do, they make them already set up for intank pump. But this last time it was out of stock so I got they're none intank deal and welded on my own pump hanger holder pole deal. They come in either round or oval shaped with or without the hanger pole, not all that expensive either.
I have a fuel cell in the car is the reason for wantng a inline pump.Its just a small cam only ls so nothing fancy.The car was a twin turbo with a blow through carb.I have another car that has a big single ls with blow through and I just want to get to one car I race and one I drive without any issues.Its a pain trying to keep 2 turbo cars running stock style ls engines together with boost.Wanted to get used to fuel injection so trying a stock ls with terminator and no turbo to try and learn about it
I have grown to like intank pumps more than inline external, not counting the big magnafuel or aeromotive pump. Like I mentioned earlier I like to use these to do internal pumps in a fuel cell.
I like to use these, mainly because i use multiple pumps and theres plenty of room to slide the assembly in. Part #7082a Here is the smaller 1, part # 7080a. It may be a direct swap for your fuel cell, it's a 12 bolt flange.
last time I needed 1 nobody had 1 of these, so I had to get the 7032b and make my own hanger assembly. You also may want to baffle the tank, I put the pump(s) all the way at the very back and haven't had a problem. If you have a really large cell yrmv.
For what you're wanting I would do an intank walbro 255lph or similar. That would give you some head room if you ever wanted to hop it up na.
This is all just based on my experience, I've never had any luck with external pumps and daily driving. I feel like they get too hot and wear out prematurely, may be fine if you only drive once or twice a week. IMO there's a reason manufacturer's went to intank pumps, and it wasn't to make it more difficult to work on lol.
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looking for walbro pump for stock ls 
